ALUMINUM ALLOY SHEET FOR BATTERY CASE, AND BATTERY CASE MADE OF THE ALLOY SHEET

ALUMINUM ALLOY SHEET FOR BATTERY CASE, AND BATTERY CASE MADE OF THE ALLOY SHEET

PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet for a battery case having excellent pressure resistance and laser weldability, and to provide a battery case made of the alloy sheet. SOLUTION: Disclosed is an aluminum alloy sheet for a battery case having a composition comprising, by mass, 0...

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Hauptverfasser: ISHII HIDEHIKO, ZHAO PIZHI, FUJII TAKANORI
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
BASIC ELECTRIC ELEMENTS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator ISHII HIDEHIKO
ZHAO PIZHI
FUJII TAKANORI
description PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet for a battery case having excellent pressure resistance and laser weldability, and to provide a battery case made of the alloy sheet. SOLUTION: Disclosed is an aluminum alloy sheet for a battery case having a composition comprising, by mass, 0.10 to 0.60% Si, 0.05 to 0.60% Fe, >0.70 to 0.70 to 1.50% Mg, >0.10 to
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SOLUTION: Disclosed is an aluminum alloy sheet for a battery case having a composition comprising, by mass, 0.10 to 0.60% Si, 0.05 to 0.60% Fe, &gt;0.70 to &lt;1.0% Cu, 0.10 to 1.80% Mn, &gt;0.70 to 1.50% Mg, &gt;0.10 to &lt;0.20% Zr and 0.03 to 0.25% Ti, and the balance Al with inevitable impurities. The aluminum alloy sheet can further comprise ≤0.02% B and ≤0.35% Cr. This aluminum alloy sheet is molded, and is thereafter subjected to aging treatment, so as to be a battery case. This battery case has excellent pressure resistance because an intermediate phase of Al2CuMg is sufficiently exhibited by the aging treatment, and further, laser welding at a high speed is possible because the Cu content is controlled to the above specified one. 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SOLUTION: Disclosed is an aluminum alloy sheet for a battery case having a composition comprising, by mass, 0.10 to 0.60% Si, 0.05 to 0.60% Fe, &gt;0.70 to &lt;1.0% Cu, 0.10 to 1.80% Mn, &gt;0.70 to 1.50% Mg, &gt;0.10 to &lt;0.20% Zr and 0.03 to 0.25% Ti, and the balance Al with inevitable impurities. The aluminum alloy sheet can further comprise ≤0.02% B and ≤0.35% Cr. This aluminum alloy sheet is molded, and is thereafter subjected to aging treatment, so as to be a battery case. This battery case has excellent pressure resistance because an intermediate phase of Al2CuMg is sufficiently exhibited by the aging treatment, and further, laser welding at a high speed is possible because the Cu content is controlled to the above specified one. COPYRIGHT: (C)2009,JPO&amp;INPIT</abstract><oa>free_for_read</oa></addata></record>
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subjects ALLOYS
BASIC ELECTRIC ELEMENTS
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title ALUMINUM ALLOY SHEET FOR BATTERY CASE, AND BATTERY CASE MADE OF THE ALLOY SHEET
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